Silver carp is a fish of the genus Hypophthalmichthys of the family Cyprinidae. As one of the four major domestic fishes, it can be kept in stagnant ponds. This kind of fish originally inhabits in the main stream of rivers and subsidiary water bodies, usually living in the upper layer, the nature is more lively, more good at jumping. It feeds mostly on plankton, and larvae can eat the nauplii of rotifers and cladocerans.
Bighead carp is also one of the four major domestic fish, is a carp fish, also known as fat head fish. This kind of fish is widely distributed, found in the main stream of rivers and gentle bends, and can also live in lakes and reservoirs, so it can be raised in stagnant ponds. Its action is relatively slow, generally eat zooplankton, artificial feeding can be fed bean cake, rice bran and distiller's grains and other artificial feed.
Carp is a fish of the family Cyprinidae and the genus Cyprinus. It has a mixed diet. It generally lives in ponds with thick aquatic plants. It can also grow in lakes or rivers. Therefore, it is absolutely no problem to raise it in a stagnant pond. This kind of fish is adaptable and cold-resistant, and can live in water with low dissolved oxygen. In addition, it belongs to the stomachless fish, the intestinal tract is short, so the metabolism is very fast.
Crucian carp is one of the common freshwater fish in China. It is a fish of the genus Carassius of the family Cyprinidae. It is found in all water systems except the Qinghai-Tibet Plateau. Its feeding habits are very wide, and adaptability and fertility are very strong, its growth rate is relatively fast, as omnivorous fish is very good, can also be raised in stagnant ponds.
